Home
Class 12
PHYSICS
A cube of 2cm edge is cut off into 8 cub...

A cube of 2cm edge is cut off into 8 cubes of 1cm edge. What is teir total surface area?

A

`8cm^(2)`

B

`16cm^(2)`

C

`24cm^(2)`

D

`48cm^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • RACE

    ALLEN|Exercise Basic Maths (VECTORS)|60 Videos
  • RACE

    ALLEN|Exercise Basic Maths (Units, Dimensions & Measurements)|30 Videos
  • RACE

    ALLEN|Exercise Basic Maths (Graphs))|29 Videos
  • NEWTONS LAWS OF MOTION

    ALLEN|Exercise EXERCISE-III|28 Videos
  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Example|1 Videos

Similar Questions

Explore conceptually related problems

The volume of a cube is 729cm^(3) . Find its total surface area

A solid cube of side 12 cm is cut into eight cubes of equal volume. What will be the side of the new cube? Also, find the ratio between their surface areas.

Three cubes , each of edge 8 cm , are joined as shown alongside . Find the total surface area and the volume of the cuboid.

A 4\ c m cube is cut into 1 cm cubes. Calculate the total surface area of all the small cubes.

Three cubes are kept adjacently, edge to edge. If the edge of each cube is 7 cm, find the total surface area of the resulting cuboid.

Three cubes each with 8 cm edge are joined end to end. Find the total surface area of the resulting cuboid.

Three cubes, each with 8cm edge, are joined end to end. Find the total surface area of the resulting cuboid

The volume of a cube is increasing at a rate of 9 cm^3 /sec . How fast is the surface area increasing when the length of an edge is 12 cm?

A solid cube of side 12 cm is out into 8 identical cubes. What will be the side of the new cube ? Also . Find the ratio between the surface area of the original cube and the total surface area of all the small cubes formed.

The square on the diagonal of a cube has an area of 192 cm ^(2) Calculate : the total surface area of the cube.

ALLEN-RACE-Basic Maths (Co-ordinate & Algebra)
  1. x-y relation is given by y=x^(n) calculate the value of n in the follo...

    Text Solution

    |

  2. 4sqrt(6)xx3sqrt(24)= :-

    Text Solution

    |

  3. If y=propx^(4) Whenx=1000, y=y(1) then find the value of x so that...

    Text Solution

    |

  4. If yx^(2)/(3)="constant" when x=x(1), then y=300, then find the y wh...

    Text Solution

    |

  5. Givne (x)/(y)=(5)/(6) now x is reduced by 62 and the ratio of x and ...

    Text Solution

    |

  6. Given, P prop T on increasing the value of T by 1^(@)C, the value of ...

    Text Solution

    |

  7. If x^(3)=9x, then find all possible values of x :-

    Text Solution

    |

  8. A river 3 m deep and 40 m wide is flowing at the rate of 2 km per hou...

    Text Solution

    |

  9. A room is 12m long, 4m wide and 3m high, what will be the longest bar ...

    Text Solution

    |

  10. root(3)(8^(2)) is equal to :-

    Text Solution

    |

  11. root(5)(16)xxroot(5)(2) is equal t :-

    Text Solution

    |

  12. If x=sqrt(2)-1 then find the value of ((1)/(x)-x)^(3):-

    Text Solution

    |

  13. If m and n are the two natural number such that m^(n)=25, then find th...

    Text Solution

    |

  14. If y-x=80^(@) then find the values of x and y.

    Text Solution

    |

  15. A cube of 2cm edge is cut off into 8 cubes of 1cm edge. What is teir t...

    Text Solution

    |

  16. How many solid spherical balls of radius 2cm and be made by melting a ...

    Text Solution

    |

  17. A function has the form f(x)=ax+b, where a and b are constants. If f(2...

    Text Solution

    |

  18. Use the approximation (1+x)^(n)~~1+nx,|x|ltlt1, to find approximate va...

    Text Solution

    |

  19. What is the minimum possible possible perimeter for a rectangle whose ...

    Text Solution

    |

  20. In the following graph, relation between two variables x and y is show...

    Text Solution

    |